US1788384A - Electrical apparatus - Google Patents

Description

Jan. 13, 1931. v DICKEY 1,788,384-

ELECTRIGAL APPARATUS Filed Feb. 23 1925 60 2a a 29 r o c J 3/ A arrozucgyd H Beerring to the drawings, 29 indicates an Patented Jan. 13,1931

nnnnsr DICKEY, or DAYTON, OHIO, issrenoa rename-near company; or. Darren,

onrq acoaronarronon DELAWARE ni nornrcsr. ArrAnA'rUs 7 Application filed February 23, 1926." Serial No. aaeeafl i The present invention relates to-internal combustion engines and inoreparticularly to thecontrol of the ignitioncircuit and the throttle valve of the engine. i purvalve of the engine in response to the. speed thereof; also it is desirable that the ignition circuit be interrupted when the engine is idle. i

An economical manner ofmanufacturing such control isto provide oneengine operated device for controlling boththe throttle valve and the ignitioncircuit. In that type 5 of control there are certain disadvantages,

for example, the attendant, whileiritendirig to completethe-ignition circuit, may movethe control to sucha position as to materially affect the adjustment of the throttle. valve so" as to I render engine starting difficult, or, while attemptingto adjust the throttle, the attendant may'interrupt the ignition circuit.

Gne of the objects of the present invention is to simplify the starting operation of the v above type of ignition and throttle valve control. Qne manner of carrying out thisobject is to provide an auxiliary ignition control which is segregated, to a certain extent, from the common valve and ignition control and which is operable for engine starting purposes and which may be rendered inoperative after the engine speed control is effective for maintaining the ignition circuit. I

Further objects and advantages of the 5 present invention will be apparent from the following description, reference being had to the accompanying drawings, wherein a-preierred form of the present invention is clearly sh own.

In the drawlngs:

Fig. 1 is a fragmentary front view of an internal combustion engine showlng the present invention applied thereto.

Fig.2 is a sectional view of certain of the control elements utilized in the present invention, the vlew being taken looking in the direction of the arrow 2 ofFig. 1. V

Fig. 3 is a sectional view taken on the line 3-4; of Fig. 2.

internal combustion engine having a fuel intake i2l'co'nnected with a carburetor22. A

. fuel mixture passage23 of the carburetor 22 is controlled .by throttle valve 24.l .Throttle valve 24 is secured to a shaftj25fwhich ex: tends through a wall of'the carburetor; fThis" extending portionof the shaft carries a .lever 26 having a weighted arm 27. and an. arm 28'.

Arm 28 carriesla pin 29 whichis .arranged'to slide within a slot 30 of a lever 31 thns'tor m-Q arm 28 and lever. 31. p 3

An operating shaftof the engine, such as a timer or cam shaft, drivesa cen-tri'fugall-voperated device33 enclosed within a. housing 34; The device 33' includes fly-halls, 35 arranged to moveaplunger 3,6 inwardlywhen said weights are'moved outwardlybyzcem trifugal force, Lever 31tis pivoted at 38 on the housing 34 and an arm 39 of lever 31 is arranged to. engage the plunger 36; The w ight 27 of lever 26 normally tends to -rotate the arm 28 counterclockwise, which inturn tendsto rotate lever 31 clockwise; Therefore,

the arm 39 will always, bejmaintainedin engagement WitllithdPlUIlgsi' .36; When the engine is in operation,the fly-ballswill move outwardly and the plunger 36 will be, moved inwardly, thus permitting the weight 27't0 move downwardly whereby, to control the throttle valve 24; p

A supporting plate material. Plate 42 oarriesterminal or contact 43 and terminal 44, whichl'terminals are connected respectively with wires 45 and" 46. Terminal 44carries springs 48 and49, the

p 41 is suitably secured to the housing'34 and carries switch mechanism including a terminal plate 42'ofinsulating ends of which rovide contacts 48a and 49a switch mechanism has its top portion 51 perforated as at 52 above the spring 48. A button 54 extends through the opening--52 and engages spring 48 by which the-contact 48a can bemoved into engagement with contact .4:3..;-Qontact 4:9 carries a plate 5yotin$1lmg a non-articulatedronnectmnbetweenthe I lating material which lies in the path of movement of an arm 56 carried by the lever associated therewith. The; normal-positional relation ofthefelements is indicated .inFigj 1 but for convenience of 'illustration the:

switch mechanism has been placed to the left o f'the lever :31 in 'Figi2. lt isficf fcour sef obvious it the exigencies ot'engine design" necessitate the particular positioningshown in Fig. 2 that the bottom surtaceof-"arniSG suflicient movement to the contact arm 49. i lgn'ition for the YengiIIe is furnished by an ignition 'device tiQ' the' primary-Winding of Wh10ll 1Si connected with wire "and the second'arywinding'isiconnected to a sparlr plug in such positionthat the arm 56Jen'gages plate to maintain thefcontact 49afout of engagem'entwith thecontact 45a lnorder to supply ignition itothe engine for starting purposes thebutton 54Lis forced downwardly causing spring 48 to engage the horizontal portion of'tco'ntact member 4-5, thus comi be moved:outwardlysufiicientlywhereby lever willbe moved to such position that the arm 56Wil1 beout'off engagement'with the plate 55-and the spring49 will then force contact 49a; againstfcontact 48a; :In this. manner the ignition{ circuit will bemade besignature.

the same time provide ignition for the en gine, has been removed.

The arrangement hereinbetore described and illustrated is very compact and readily accessible and the absence of articulated connections between the various levers permits considerable flexibilityjin the testing'of the air. and. electric systemsduring operation of the engine.

f NVhil e the form ot ea-tantra Orthe in- "vention "as"herein disclosed, constitutes a preferredtorm, it is to be understood that 7 other forms might be adopted, all'coming may be suitably beveled in order to impart withinthe scope of the claims which follow.

What is claimedisas follows: 7 p 1: 1n combination; a prime mover, a movablefthrottle for.- the prime mover, ignition meansxforithe prime mover; a circuit'for said ignition means, and a prime mover speed responsive device for controlling the movement of the throttle and for rendering the ignition circuit inoperative when the'speed o tthe prime moverihas. reached a predetermined low valuej N 2. ln' 'combination, a prime mover, a movable throttle J for the prime mover, ignition means for; the prime mover, a circuit torsaid ignition means,a governor responsive to'the speed ofthe prime 'mover,-and "means 21.01311, ated by said governor for; controlling the throttle and for rendering the-ignition circuit inoperativewhen the speed of the prime mover has reacheda predetermined low value. In testimony whereof I hereunto afiix 'my merrier;

tween contact 43am terminal4 L through then "be released whereby the contact 48a will move ou't of engagement with the contact 4'3. Ignitionwill then be maintained is I 6 the contacts 4% and 18a. "The-button54c can imined value,,arm 56 will engage plate 55 to separate 'contaict' 49a trom' contact 43' thus it interrupting the ignition circuit' By utilizing the present: invention th 101115 trol of the internal combustion engine has been simplified. ;One.icngine speed control 7 deviceis used for controlling tli'eri-gnition cincuitand the throttle Valve of theeng ine-and the construction and arrangementof, the switch mechanism is such that ignitionni-ay be furnished tothe engine, as for'i ex am'ple,

during the starting operation,; without atfecting the position of "therthrottlevalve.

Thusit isnot necessary to disturb the throttle valve'in order to complete the ignition circuit diiring'the starting operation,-'and the;

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